知行 EDI 规范查询平台™
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X12 EDI Release 00401
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BIG
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BIG04
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Element
X12 EDI Release 00401
BIG
324
Purchase Order Number
Identifying number for Purchase Order assigned by the orderer/purchaser
属性
数据类型
AN
必须?
Optional
长度
Min 1 / Max 22
